NCCN Guidelines for Patients® | Chronic Myeloid Leukemia

35 NCCN Guidelines for Patients ® : Chronic Myeloid Leukemia, 2018 5 Advanced phases Additional testing be tucked up near your chest. If sitting, you must lean slightly forward and down toward your knees as shown in Figure 10 . The lower part of your back over your spine will be numbed with a local anesthetic. Next, a thin needle will be inserted between the bones of your spine and into the space around your spinal cord. You may feel some pressure during the procedure. The fluid sample will then be sent to a lab for testing. Figure 10 Lumbar puncture A lumbar puncture is used to remove a sample of spinal fluid so it can be tested for cancer. A lumbar puncture may also be used to inject cancer drugs into spinal fluid. Illustration Copyright © 2017 Nucleus Medical Media, All rights reserved.